The Chiefs scored 14 fourth-quarter points to beat the Raiders, 21-9, at Frank Youell Field.

Middle linebacker Arch Matsos made his first appearance following illness and injury since early in the preseason.

Tackle Proverb Jacobs and guard Wayne Hawkins each injured a knee in the game. Neither player's prognosis had yet been determined.

Wide receiver Art Powell aggravated a pulled leg muscle and was held to two catches for 31 yards.

Activated off the taxi squad

Ben Davidson, defensive end
Howie Williams, defensive back

Waived

Jon Jelacic, defensive end